Thanks Benny, I need to change chain and both chainring/sprocket anyway, the back wheel with gears is realtively new (changed a year ago). I'm thinking about greasing the motor putting it back with new chain, etc. and doing more testing. If it still feels like it's motor then getting a new one...
Hi, I own a Chike cargo bike and at 13,000 km the motor is making grinding noises. Two different bike shops told me that it's a mid-motor problem. Repairing it professionally could cost anything between 100 and 300 eur.
I can buy a new E6100 motor for 500 eur, so for me it only makes sense to...